Note 6. RETIREMENT BENEFIT PLANS (Details) - Pension Benefits Three Months Ended Six Months Ended June 27, June 28, June (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 27, 2014 ThreeMonthsEnded06-27-2014	Jun. 28, 2013 ThreeMonthsEnded06-28-2013	Jun. 27, 2014 SixMonthsEnded06-27-2014	Jun. 28, 2013 SixMonthsEnded06-28-2013
Note 6. RETIREMENT BENEFIT PLANS (Details) - Pension Benefits Three Months Ended Six Months Ended June 27, June 28, June [Line Items]
Interest cost	$ 10	$ 27	$ 20	$ 53
Amortization of net loss	(4)	14	(9)	29
Net periodic benefit cost	$ 6	$ 41	$ 11	$ 82

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Interest and debt related expenses associated with nonoperating financing activities of the entity.

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Amount after tax of cost (credit) of benefit changes attributable to plan participants' prior service resulting from a plan amendment or plan initiation that has not been recognized in net periodic benefit cost (credit).

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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